Aspects of Tertiary Volcanism in the Basin & Range: Thermal Modeling of Magmetism in Eastern Nevada and IsotopicAnalysis of Rhyolites in Southeastern Oregon (Earth Scie

Anita Grunder博士将在华盛顿大学地质科学系学习六个月。她将使用放射性成因同位素设备对俄勒冈州东南部盆地和Range省北部边缘的流纹岩进行Nd、Sr和Pb同位素测年。结合正在进行的工作，这些数据将为了解大陆地壳的性质以及流纹岩和同时期玄武岩之间的关系提供见解。岩浆活动的地球化学和热/物理方面将被整合。特别是，内华达州东部经过充分研究的大量中第三纪火山岩将被用作案例研究。化学模型将使用giorso的计算机程序进行改进和测试，时间、体积和成分限制将被用作玄武岩注入和中地壳逐渐融化的热物理模型（与Bergantz一起）的输入。在主办机构的互动活动包括：教授一门火山学课程，并组织一个关于研究生教育和本科生地球科学职业的讲习班（在西北妇女研究中心的协助下）。Grunder博士还将就她的研究发表演讲，并参加教师会议。该项目进一步推进了VPW计划的目标，即(1)为女性提供在工程和NSF支持的科学学科中发展职业的机会；(2)通过为在工业、政府和学术机构工作的女性科学家和工程师提供更大的知名度，鼓励女性在科学和工程领域追求职业。通过鼓励妇女参与科学，这是对国家未来科学活力的宝贵投资。＊＊＊

9353106 Grunder Dr. Anita Grunder will spend six months at the University of Washington in the Department of Geological Sciences. She will use the radiogenic isotope facilities to obtain reconnaissance Nd, Sr, and Pb isotope date for rhyolites from the northern margin of the Basin and Range Province in southeastern Oregon. In conjunction with ongoing work, these data will provide insight into the nature of the continental crust and the relationship between rhyolites and contemporaneous basalts. Geochemical and thermal/physical aspects of magmatism will be integrated. In particular, well-studied and voluminous middle Tertiary volcanic rocks of eastern Nevada will be used as a case study. Chemical models will be refined and tested using Ghiorso's MELTS computer program and the temporal, volume, and compositional constraints will be used as input for a thermal and physical model (with Bergantz) of basalt injection and progressive melting of the middle crust. Interactive activities at the host institution include: teaching a volcanology course, and organizing a workshop on graduate education and geoscience careers for undergraduate women (with the assistance of the Northwest Center for Research in Women). Dr. Grunder will also give a lecture on her research, and participate in faculty meetings. This project furthers VPW program objectives which are (1) to provide opportunities for women to advance their careers in engineering and in the disciplines of science supported by NSF and (2) to encourage women to pursue careers in science and engineering by providing greater visibility for women scientists and engineers employed in industry, government, and academic institutions. By encouraging the participation of women in science, it is a valuable investment in the Nation's future scientific vitality. ***